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Meters and probes pH Oxygen Conductivity

Conductivity, Dissolved Oxygen, Redox Potential, pH, TDS: If you want to control these parameters, you need to use electrochemical meters to reliably and quickly characterize water quality. The devices can work in any environment, they are portable, intuitive and easy to use. The HQD laboratory multivariable meters or the HQ and HQd series portable meters are useful helpers for analyzing industrial wastewater, drinking water, swimming pool water, or water used in the food and beverage industry. Hach Intellical sensors are automatically recognized by the meter and are compatible with both measurement platforms. The sensors are available in both laboratory and field versions. The prices for the "HQ series portable meter or HQd + sensor" kits are lower than when purchasing these items separately. Filter by parameter or contact us to find a meter, sensor, solutions and standards that meet your specifications.

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Type

Conductivity Standard Solution 23 Field 3 Filling solution 7 Industrial 33 Laboratory 34 Liquid reagents 1 On-line 3 Pocket 10 Portable 5 Portable-field 45 Powder pillows 13 Standard pH solutions 27

Industry

Pulp and paper 93 Power generation 89 Chemical 164 Municipal 213 Transport 61 Food and Beverage 201 Ecology 91 Glass 57 Pharmaceutical 90 Semiconductor 11

Brand name

Centec 1 HORIBA 24 Hach 169 Hanna Instruments 3 Mettler Toledo 4 Optek 2 ProMinent 11 Sigrist 1 WTW 3 РreSens 2

Parameters

Ammonia 10 Ammonium 10 BOD 4 Chloride 12 Chlorine free 3 Chromaticity 3 Conductivity 59 Dissolved oxygen 36 Fluoride 9 Fluorine 1 Nitrate 14 ORP (redox potential) 23 Pressure 3 Resistivity 12 Salinity 17 Sodium 11 TDS (Total Dissolved Solids) 25 Temperature 20 Turbidity 5 pH 109

Measurement Range

-15 - 170 °C 1 -999 - +999 mV 2 -1500 - 1500 mV 1 0 - 10 мкСм/см до 0 - 850 мСм/см 1 0 - 10.00 ppt 2 0 - 12 pH 1 0 - 14 pH 39 0 - 22.5 mg/L O2 2 0 - 1999 ppm 1 0,0…200,0 мкСм/см; 0…2000 мкСм/см; 200,0…700,0 мкСм/см; 2000…9999 мкСм/см 1 0...14 2 0.0 - 1999 µS/cm 2 0.0 µS/cm - 200 mS/cm 3 0.01 - 20 mg/L O2 1 0.01 mg/L (5 x 10-7 M) - 14 g/L (1 M) NH3-N 2 0.01 mg/L (5 x 10-7 M) - 19 g/L (1 M) F- 2 0.018 mg/L (10-6 M) - 9 g/L (0.5 M) NH4-N 2 0.023 mg/L (1 x 10-6 M) - 23 g/L (1 M) Na+ 2 0.05 - 20.0 mg/L O2 7 0.1 mg/L (3 x 10-6 M) - 35.5 g/L (1 M) Cl- 2 0.1 mg/L (7 x 10-6 M) - 14 g/L (1 M) NO3-N 2 2 - 14 pH 5 12.85 mS/cm 1 12.88 mS/cm 4 25 µS/cm 1 100 µS/cm 1 111.3 mS/cm 1 146.9 µS/cm 1 147 μS/cm 3 180 µS/cm 1 1000 μS/cm 1 1015 µS/cm 1 1408 µS/cm 1 1413 µS/cm 4 1990 µS/cm 1 10000 µS/cm 1 18000 µS/cm 1 pH 0…14 1 pH 1.09 1 pH 1.679 1 pH 1–12 3 pH 4,005 1 pH 4.01 5 pH 4.01 and 7.00 1 pH 4.65 1 pH 6,86 1 pH 6.865 1 pH 7.00 9 pH 7.00 and 10.01 1 pH 7.01 1 pH 7.413 1 pH 9.23 1 pH 9.180 1 pH 10.01 7 pH 10.012 1 pH 12.45 1 ± 1200 mV 4

Accuracy

0,1 pH 1 1 °C 1 1% FS 2 2 mV 1 2% FS 1 Cond, Sal, TDS ±1%, Temp ±0,5°C 1 Cond, Sal, TDS ±1%, Temp ±0,5°C, pH ±0,01 1 ± 0.01 pH 5 ±0.02 mV or 0.05% 15 ± 0.02 pH 5 ±0.1 mg/L 0-8 mg/L; ±0.2 mg/L for greater than 8 2 ±0.5% 2 ± 2 mV 1

Measurement method

ISE 3

Power supply

4 AAA alkaline batteries 10

Number of inputs

single-channel 22 three-channels 3 two-channel 25

Operating temperature range

-10 - 100 °C 4 -10 - 110 °C 2 -10 – 40 °C 1 -10 – 90 °C 1 -25...+65 °C 1 0 - 40 °C 1 0 - 50 °C 21 0 - 60 °C 16 0 - 80 °C 7 0 - 100 °C 3 0…+50 °C 1 5 - 50 °C 4 −5…100 °C 1

Features

Double Junction; до 80 °C / 8 бар; IP65; PG 13.5; устойчивость к водорастворимым химикатам 1 До 80 °C / 6 бар; RoHS; защита кабеля от скручивания; версия PHEPT с Pt100 1 Пластиковый корпус из поликарбоната; без монтажной резьбы; только атмосферное давление; для ручных измерений; RoHS 1

Sensor type

4-pole graphite 2 Gas sensing: glass with replaceable NH3 sensitive membrane 2 Glass 11 Lumiphore 2 Platinum disc 3 Solid state PVC membrane 4 Solid state crystalline membrane 4

Compliance with the standard

IP54 1 IP65 4

Number of tests

15 3 20 3 50 2 250 2

Measurement Range (2)

0 - 10 ppt; 0.0 - 1.0 % 2 0 μS/cm - 200 mS/cm 10 0...100 °C 1 0…100 °C 1 ±1200 mV 5

Measurement Range (3)

0 - 999 ppm 2 0 mg/L - 50 g/L NaCl 5 0.05 - 20 mg/L O2 2

Concentration

1.00 ±0.01 mg/L NO3-N 1 10 ± 0.1 mg/L NO3-N 1 100 mg/L Cl- 1 100 mg/L Na+ 1 100 ± 0.1 mg/L NO3-N 1 1000 mg/L Cl- 1 1000 mg/L NH3-N 1 1000 mg/L Na+ 1 1000 ± 10 mg/L NO3-N 1 ISA 3

Version

multiparameter 42 single parameter 8

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Calibration solution for conductivity meter 1413 µS/cm, KCl, 250 mL

Standard conductivity solution 1413 μS/cm for calibrating meter, sensor and verifying analytical accuracy.

SKU: LZW9710.99